About Islip
Islip is a town in Suffolk County, New York, United States, on the South Shore of Long Island. The population was 339,938 at the time of the 2020 census, making it the fourth most populous city or town in the New York metropolitan area. The Town of Islip also contains a smaller, unincorporated hamlet and census-designated place named Islip, which serves as the town seat.
Places to visit in Islip
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Fire Island National Seashore
Beach · 12 mi from centreA protected barrier island reached by ferry from towns along Islip's shore, offering wide ocean beaches, car-free villages, dunes and a rare maritime forest. Ideal for a beach day, walking or birdwatching.
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Robert Moses State Park
Beach · 10 mi from centreA large oceanfront park on the western tip of Fire Island, reachable by car across a causeway. It offers long sandy beaches, surf swimming in season and a boardwalk path toward the Fire Island Lighthouse.
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Fire Island Lighthouse
Landmark · 9 mi from centreA tall black-and-white striped lighthouse near Robert Moses State Park. Visitors can learn about its maritime history and, when tours run, climb the tower for broad views over the ocean and Great South Bay.
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Bayard Cutting Arboretum State Park
Park · 2 mi from centreA former Gilded Age estate in Great River with landscaped grounds, conifer collections, flower gardens and river views, plus a grand Tudor-style mansion. A calm, scenic place for strolling.
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Heckscher State Park
Park · 4 mi from centreA waterfront park in East Islip on Great South Bay with beaches, picnic areas, walking and biking trails and wildlife viewing. It is popular for relaxed family outings and bay views.
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Connetquot River State Park Preserve
Nature · 3 mi from centreA large preserve of pine barrens and river habitat with trails for walking and horseback riding, historic mill buildings and well-known fly fishing. It offers quiet woodland scenery close to the airport.
Best time to visit Islip
Based on recent weather records, the most comfortable time to visit Islip is June and August to October, when average daytime highs are around 65–80°F and rain falls on about 8 days a month.
Average daily low and high temperatures and days with at least 1 mm of rain, from recent weather records. Highlighted months are the most comfortable for sightseeing.
Islip weather forecast
- Wed 21 Oct 55° 47° 2%
- Thu 22 Oct 65° 49° 2%
- Fri 23 Oct 58° 50° 0%
- Sat 24 Oct 60° 48° 0%
- Sun 25 Oct 62° 51° 0%
- Mon 26 Oct 64° 55° 1%
Know before you go
- Currency
- United States dollar (USD)
- Language
- English
- Calling code
- +1
- Driving
- On the right
- Time zone
- America/New_YorkUTC−4
- Capital
- Washington, D.C.
Upcoming public holidays in United States
- Veterans Day
- Thanksgiving Day
- Christmas Day
- New Year's Day
- Martin Luther King, Jr. Day
- Presidents DayWashington's Birthday
Banks, offices and some attractions may close on public holidays, and flights and hotels often fill up early around them.
Getting to Islip
These are the airports closest to central Islip. Compare fares into each one, as a slightly longer transfer can sometimes mean a much cheaper flight.
- ISP Long Island MacArthur Airport6 mi (9 km) from the city centre
Getting around Islip
Long Island is 118 mi (190 km) long. It can take hours to travel from one destination to another – especially during morning and afternoon rush hours, when the main roads suffer from high congestion and the trains are crowded.
By bus
There are two main bus operators on Long Island in Nassau and Suffolk. Each maintains extensive bus networks throughout their counties.
By train
The Long Island Rail Road crosses the entire island, with stops in virtually every community of note. As it is designed to take residents into and out of Manhattan, connections between branches are virtually nonexistent.
By car
In addition to highways connecting New York City and other points west with Long Island, there are more roads to get around:
Islip travel FAQ
When is the best time to visit Islip?
Based on recent weather records, the most comfortable time to visit Islip is June and August to October, when average daytime highs are around 65–80°F and rain falls on about 8 days a month.
What is the weather like in Islip?
July is usually the warmest month in Islip, with average highs of 85°F (29°C). January is the coolest, with average lows of 26°F (-4°C). The wettest month is typically March, with about 173 mm of rain.
Which airport is closest to Islip?
Long Island MacArthur Airport (ISP) is the closest airport, about 6 miles (9 km) from the centre of Islip.
What time zone is Islip in?
Islip uses the America/New_York time zone (currently UTC−4). Remember to check for daylight saving changes when planning connecting flights.
How do I get around Islip?
Long Island is 118 mi (190 km) long. It can take hours to travel from one destination to another – especially during morning and afternoon rush hours, when the main roads suffer from high congestion and the trains are crowded.
What are the best places to visit in Islip?
Top sights in Islip include Fire Island National Seashore, Robert Moses State Park, Fire Island Lighthouse and Bayard Cutting Arboretum State Park. A protected barrier island reached by ferry from towns along Islip's shore, offering wide ocean beaches, car-free villages, dunes and a rare maritime forest. Ideal for a beach day, walking or birdwatching.
